13+ Game Library Manager Pictures. For example, you can't manage your game library in other launchers. Link games from steam, epic, origin, gog, battle.net.

GitHub - movitto/retroflix: Web based retro game ...
GitHub - movitto/retroflix: Web based retro game ... from raw.githubusercontent.com
It also opens up the option to browse and install games. Import popular libraries link games from steam, epic, origin, gog, battle.net. For example, you can't manage your game library in other launchers.

Import popular libraries link games from steam, epic, origin, gog, battle.net.

With slm you can administrate all of your games and backups from one place. The best feature, though, is the ability to duplicate content to save. A steam (steam) modding tool in the other/misc category, submitted by revoland. This sentence answers your question open source video game library manager and launcher with support for 3rd party libraries like steam, gog, origin and uplay, providing one unified interface for your games.